package com.c7.servlet;

import com.c7.bean.NewsBean;
import com.c7.dan.NewsDao;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import java.io.IOException;

/**
 * 1.接收post网址 /newsAdd.jsp
 * 2.接收到到传递过来的新闻参数，新闻标题，新闻内容
 * 3.完成新闻的添加操作
 * 4.跳转到其他页面
 */
@WebServlet("/newsEdit.jsp")
public class NewsUpdateServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        String newsTitle = req.getParameter("Up-NewsTitle");
        String newsContent = req.getParameter("Upb-NewsContent");
        int newsId = Integer.parseInt(req.getParameter("newsId"));
        NewsBean newsBean = new NewsBean();
        newsBean.setNewsId(newsId);
        newsBean.setNewsTitle(newsTitle);
        newsBean.setNewsContent(newsContent);
        newsBean.setNewsDate("admin");
        NewsDao newsDao = new NewsDao();
        newsDao.update(newsBean);
        int result = newsDao.update(newsBean);
        if (result>0){
            resp.sendRedirect("news.jsp");
        }else{
            req.setAttribute("msg", "新闻更新失败");
            req.setAttribute("url","news.jsp");
            req.getRequestDispatcher("WEB-INF/error.jsp").forward(req, resp);
        }
    }
}
